U.S. Bellows custom designed this single tied expansion joint for an oil refinery in Saudi Arabia. The bellows and liner are fabricated from 304 stainless steel and the cover, tie rods, and flanges are carbon steel. This expansion joint is 30" in diameter and is 24" in length. The unit is designed for 800°F at 275 psig and capable of 1" axial movement. Prior to shipment, all welds were dye penetrant examined, hydrotested, and the bellows longitudinal weld was 100% x-rayed.